<script setup>
import { subcategoryGetCategoryData, subcategoryPostCategoryData } from '@/apis/subcategory'
import { onMounted, ref } from 'vue'
import { useRoute } from 'vue-router'
import GoodsItem from '../home/components/GoodsItem.vue'
// 获取面包屑导航数据
const route = useRoute()
const subcategoryData = ref({})
const getSubcategoryData = async () => {
  const res = await subcategoryGetCategoryData(route.params.id)
  subcategoryData.value = res.data.result

}

onMounted(() => getSubcategoryData())

//获取二级分类列表数据
const subcategoryList = ref([])
const paramsData = ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  //sortField: 'publishTime' | 'orderNum' | 'evaluateNum'
  sortFiled: ''
})
const getSubcategoryList = async () => {
  const res = await subcategoryPostCategoryData(paramsData)
  subcategoryList.value = res.data.result.items
}

onMounted(() => getSubcategoryList())

//根据筛选条件重新获取二级分类数据
const tabValue = ref()
const handleChange = () => {
  paramsData.value.sortFiled = tabValue.value
  console.log(paramsData.value.sortFiled)
  getSubcategoryList()
}

// 商品列表无限加载的实现
const disabled = ref(false)
// 监听页面是否滚动到底部
const load = async () => {
  paramsData.value.page++
  const res = await subcategoryPostCategoryData(paramsData)
  subcategoryList.value = [...res.data.result.items, ...subcategoryList.value]
  //数据加载完毕停止监听
  if (res.data.result.items.length === 0) {
    disabled.value = true
  }
}
</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${subcategoryData.parentId}` }">
          {{ subcategoryData.parentName }}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ subcategoryData.name }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container">
      <el-tabs v-model="tabValue" @tab-change="handleChange()">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled">
        <!-- 商品列表-->
        <goods-item v-for="item in subcategoryList" :key="item.id" :goods="item"></goods-item>
      </div>
    </div>
  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    &:hover {
      transform: translate3d(0, -3px, 0);
      box-shadow: 0 3px 8px rgb(0 0 0 / 20%);
    }

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>
